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2 years ago

PLEASE CHECK MY ANSWERS!! 30 POINTS!

Mathematics

1 answer:

Alenkasestr [34]2 years ago

5 0

From what I’m thinking, I’m sure they’re all correct.

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What is the sales tax on a suit priced at $180 if the sales tax rate is 6.9%?

Jet001 [13]

The sales tax would be $12.42

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2 years ago

I NEED HELPPP AHHH!!!!!!

IRISSAK [1]

Answer:

the answer is B there is no other possible answer that you can put.

Step-by-step explanation:

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2 years ago

Which word is the conjunction in this sentence?

emmasim [6.3K]

A conjunction is a word that joins words or phrases. For, and, nor, but, or, yet, so...The conjunction in this sentence would be and.

(most is an adverb, wow is an interjection, and of is a preposition)

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3 years ago

Researchers have discovered a new genetic marker for a form of cancer. Twelve percent of the overall population carry this marke

In-s [12.5K]

Answer:

The probability that a person with the marker develops cancer is 0.0725.

Step-by-step explanation:

Let's denote the events as follows:

A = a person has cancer

B = a person carries the marker.

Given:

P (A) = 0.03

P (B) = 0.12

P (B|A) = 0.29

The conditional probability of an event X provided that another event Y has already occurred is:

$P(X|Y)=\frac{P(Y|X)P(X)}{P(Y)}$

Use the conditional probability formula to compute the probability that a person with the marker develops cancer.

$P(A|B)=\frac{P(B|A)P(A)}{P(B)} =\frac{0.29\times0.03}{0.12}=0.0725$

Thus, the probability that a person with the marker develops cancer is 0.0725.

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2 years ago

-4/5 + (-1/3) ??????

Nikitich [7]

-17/15

Find a common denominator, and multiply the numerator by the same factor. Don't forget that adding a negative is really subtracting.

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2 years ago